13. If the sides of a triangle are 3, 4, and 5. Using cosine law, write an equation to find the measure of
an angle opposite to side which measures 5 units ( no Links ) :-(​

Amayoral candidate would like to know her residents’ views on a public open space before the mayoral debates. she asks only the people in her office. her co-workers are an example of a census population convenience sample simple random sample